Baby bathtub



FIG. 1 is a perspective view of a baby bathtub showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view thereof, showing the baby bathtub in a folded state;

FIG. 9 is a perspective view thereof, showing the baby bathtub in another folded state; and,

FIG. 10 is a bottom side perspective view thereof.

Any shading and cross-hatching are not features of the design but are utilized to illustrate the surface contours of the baby bathtub design in the drawings. 

CLAIM The ornamental design for a baby bathtub, as shown and described. 